1255562500

素因数分解:

$2^2\times 5^6\times {\mathrm{20089}}^1$

素因数の和:20123

約数の個数: 42

約数和(自身を含む): 2746644530

約数和(自身を除く): 1491082030

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3125, 6250, 12500, 15625, 20089, 31250, 40178, 62500, 80356, 100445, 200890, 401780, 502225, 1004450, 2008900, 2511125, 5022250, 10044500, 12555625, 25111250, 50222500, 62778125, 125556250, 251112500, 313890625, 627781250, 1255562500]

約数ペア:

[(1, 1255562500), (2, 627781250), (4, 313890625), (5, 251112500), (10, 125556250), (20, 62778125), (25, 50222500), (50, 25111250), (100, 12555625), (125, 10044500), (250, 5022250), (500, 2511125), (625, 2008900), (1250, 1004450), (2500, 502225), (3125, 401780), (6250, 200890), (12500, 100445), (15625, 80356), (20089, 62500), (31250, 40178)]